2026-09-08T06:29:01.801871Z INFO retained operator-plan finalist finalist=0 values=125 operations=88 estimated_cycles=1647257 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356636 peak_interleaved_bytes=253056 peak_total_bytes=524092 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:01.810752Z INFO retained operator-plan finalist finalist=0 values=125 operations=88 estimated_cycles=1647257 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356636 peak_interleaved_bytes=253056 peak_total_bytes=524092 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:01.978547Z INFO retained operator-plan finalist finalist=1 values=125 operations=88 estimated_cycles=1647341 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356628 peak_interleaved_bytes=253120 peak_total_bytes=524148 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:01.985605Z INFO retained operator-plan finalist finalist=1 values=125 operations=88 estimated_cycles=1647341 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356628 peak_interleaved_bytes=253120 peak_total_bytes=524148 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:02.153704Z INFO retained operator-plan finalist finalist=2 values=125 operations=88 estimated_cycles=1647375 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356652 peak_interleaved_bytes=253056 peak_total_bytes=524108 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 256, 269, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:02.160633Z INFO retained operator-plan finalist finalist=2 values=125 operations=88 estimated_cycles=1647375 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356652 peak_interleaved_bytes=253056 peak_total_bytes=524108 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 256, 269, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:02.324216Z INFO retained operator-plan finalist finalist=3 values=125 operations=88 estimated_cycles=1647435 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356628 peak_interleaved_bytes=253120 peak_total_bytes=524148 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:02.331328Z INFO retained operator-plan finalist finalist=3 values=125 operations=88 estimated_cycles=1647435 estimated_exchange_cycles=668120 exchange_row_bytes=140764 peak_standard_bytes=356628 peak_interleaved_bytes=253120 peak_total_bytes=524148 maximum_standard_allocation_bytes=122880 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(35)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:14.113778Z INFO retained operator-plan finalist finalist=0 values=122 operations=85 estimated_cycles=1391178 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194560 peak_interleaved_bytes=256128 peak_total_bytes=422784 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:14.285176Z INFO retained operator-plan finalist finalist=1 values=122 operations=85 estimated_cycles=1391262 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194552 peak_interleaved_bytes=256192 peak_total_bytes=422840 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:14.460546Z INFO retained operator-plan finalist finalist=2 values=122 operations=85 estimated_cycles=1391296 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194576 peak_interleaved_bytes=256128 peak_total_bytes=422800 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 256, 269, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:14.509031Z INFO retained operator-plan finalist finalist=0 values=122 operations=85 estimated_cycles=1391178 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194560 peak_interleaved_bytes=256128 peak_total_bytes=422784 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:14.635954Z INFO retained operator-plan finalist finalist=3 values=122 operations=85 estimated_cycles=1391356 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194552 peak_interleaved_bytes=256192 peak_total_bytes=422840 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:14.683694Z INFO retained operator-plan finalist finalist=1 values=122 operations=85 estimated_cycles=1391262 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194552 peak_interleaved_bytes=256192 peak_total_bytes=422840 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:14.859735Z INFO retained operator-plan finalist finalist=2 values=122 operations=85 estimated_cycles=1391296 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194576 peak_interleaved_bytes=256128 peak_total_bytes=422800 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 256, 269, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(44))] 2026-09-08T06:29:15.033094Z INFO retained operator-plan finalist finalist=3 values=122 operations=85 estimated_cycles=1391356 estimated_exchange_cycles=495640 exchange_row_bytes=100384 peak_standard_bytes=194552 peak_interleaved_bytes=256192 peak_total_bytes=422840 maximum_standard_allocation_bytes=52480 active_tile_counts={1, 16, 72, 192, 269, 288, 729, 864, 1296, 1345, 1440, 1458, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(1)), Some(OperationId(3)), Some(OperationId(4)), Some(OperationId(4)), Some(OperationId(5)), Some(OperationId(6)), Some(OperationId(6)), Some(OperationId(7)), Some(OperationId(8)), Some(OperationId(8)), Some(OperationId(9)), Some(OperationId(15)), Some(OperationId(15)), Some(OperationId(16)), Some(OperationId(18)), Some(OperationId(19)), Some(OperationId(19)), Some(OperationId(20)), Some(OperationId(22)), Some(OperationId(22)), Some(OperationId(23)), Some(OperationId(25)), Some(OperationId(26)), Some(OperationId(28)), Some(OperationId(28)), Some(OperationId(29)), Some(OperationId(30)), Some(OperationId(30)), Some(OperationId(31)), Some(OperationId(37)), Some(OperationId(37)), Some(OperationId(38)), Some(OperationId(39)), Some(OperationId(40)), Some(OperationId(40)), Some(OperationId(43)), Some(OperationId(43)), Some(OperationId(45))] 2026-09-08T06:29:15.382838Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=117311 success=true 2026-09-08T06:29:15.383181Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true 2026-09-08T06:29:43.095566Z INFO screened tile mappings by exchange resource load candidates=258 baseline_cycles=203404 candidate_cycles=203404 baseline_pressure=148325 candidate_pressure=148325 2026-09-08T06:29:43.147766Z INFO modelled expanded operator plan finalist=2 modelled_cycles=1027713 estimated_cycles=1667069 estimated_exchange_cycles=882360 2026-09-08T06:29:45.053869Z INFO screened tile mappings by exchange resource load candidates=267 baseline_cycles=203420 candidate_cycles=203420 baseline_pressure=148339 candidate_pressure=148339 2026-09-08T06:29:45.108192Z INFO modelled expanded operator plan finalist=3 modelled_cycles=1028210 estimated_cycles=1671742 estimated_exchange_cycles=887152 2026-09-08T06:29:46.532469Z INFO screened tile mappings by exchange resource load candidates=195 baseline_cycles=274720 candidate_cycles=274720 baseline_pressure=210054 candidate_pressure=210054 2026-09-08T06:29:46.577773Z INFO modelled expanded operator plan finalist=6 modelled_cycles=1121355 estimated_cycles=1708987 estimated_exchange_cycles=898352 2026-09-08T06:29:47.877650Z INFO screened tile mappings by exchange resource load candidates=267 baseline_cycles=203418 candidate_cycles=203418 baseline_pressure=148339 candidate_pressure=148339 2026-09-08T06:29:47.932520Z INFO screened tile mappings by exchange resource load candidates=267 baseline_cycles=203404 candidate_cycles=203404 baseline_pressure=148324 candidate_pressure=148324 2026-09-08T06:29:47.940710Z INFO modelled expanded operator plan finalist=1 modelled_cycles=1028370 estimated_cycles=1672544 estimated_exchange_cycles=887792 2026-09-08T06:29:47.982423Z INFO modelled expanded operator plan finalist=0 modelled_cycles=1027672 estimated_cycles=1672148 estimated_exchange_cycles=887480 2026-09-08T06:29:48.453401Z INFO screened tile mappings by exchange resource load candidates=204 baseline_cycles=274736 candidate_cycles=274736 baseline_pressure=210068 candidate_pressure=210068 2026-09-08T06:29:48.516904Z INFO modelled expanded operator plan finalist=7 modelled_cycles=1121852 estimated_cycles=1713660 estimated_exchange_cycles=903144 2026-09-08T06:29:53.266537Z INFO screened tile mappings by exchange resource load candidates=204 baseline_cycles=274720 candidate_cycles=274720 baseline_pressure=210053 candidate_pressure=210053 2026-09-08T06:29:53.312899Z INFO modelled expanded operator plan finalist=4 modelled_cycles=1121314 estimated_cycles=1714066 estimated_exchange_cycles=903472 2026-09-08T06:29:53.775945Z INFO screened tile mappings by exchange resource load candidates=204 baseline_cycles=274734 candidate_cycles=274734 baseline_pressure=210068 candidate_pressure=210068 2026-09-08T06:29:53.826630Z INFO modelled expanded operator plan finalist=5 modelled_cycles=1122012 estimated_cycles=1714462 estimated_exchange_cycles=903784 2026-09-08T06:29:53.863062Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=59 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:29:53.863096Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=59 initial_horizon=3150 selected_horizon=3150 endpoint_lower_bound=1024 lower_bound_gap=2126 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.864260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=59 tile=947 row_words=9 horizon=3150 2026-09-08T06:29:53.871176Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:29:53.871228Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.871621Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=287 2026-09-08T06:29:53.872523Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:29:53.876522Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=49 transfers=1248 maximum_identical_destinations=1 2026-09-08T06:29:53.876552Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=49 initial_horizon=5867 selected_horizon=5867 endpoint_lower_bound=5760 lower_bound_gap=107 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.877455Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=49 tile=79 row_words=47 horizon=5867 2026-09-08T06:29:53.878358Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=287 elapsed_ms=6 success=true 2026-09-08T06:29:53.885136Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=60 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:29:53.885156Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=60 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.885720Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=60 tile=10 row_words=12 horizon=193 2026-09-08T06:29:53.894631Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:29:53.894682Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:29:53.896452Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:29:53.897903Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:29:53.897936Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.898969Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=947 row_words=9 horizon=846 2026-09-08T06:29:53.923226Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:29:53.923272Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:29:53.924959Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=252 row_words=18 horizon=2748 2026-09-08T06:29:53.929540Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:29:53.929565Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.930245Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=47 row_words=23 horizon=374 2026-09-08T06:29:53.940587Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:29:53.968313Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=63 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:29:53.968349Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=63 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:29:53.969563Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=63 tile=1439 row_words=9 horizon=2806 2026-09-08T06:29:53.979759Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=64 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:29:53.979793Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=64 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:53.980324Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=64 tile=47 row_words=25 horizon=406 2026-09-08T06:29:54.059280Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11536 2026-09-08T06:29:54.062146Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:29:54.085383Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:29:54.085424Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:29:54.088109Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:29:54.091285Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:29:54.091356Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=588 row_words=41 horizon=1936 2026-09-08T06:29:54.094912Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=154 success=true 2026-09-08T06:29:54.100720Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:29:54.100767Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:29:54.106957Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:29:54.107005Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:29:54.107149Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:29:54.113154Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:29:54.117812Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:29:54.117855Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:29:54.123935Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:29:54.141237Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:29:54.143034Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:29:54.193729Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:29:54.193776Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:29:54.199967Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=588 row_words=41 horizon=1936 2026-09-08T06:29:54.231350Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:29:54.252740Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=27 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:29:54.252773Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=27 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.254419Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=27 tile=252 row_words=18 horizon=3051 2026-09-08T06:29:54.265733Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11536 elapsed_ms=206 success=true 2026-09-08T06:29:54.320704Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:29:54.320743Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:29:54.330581Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=1253 row_words=57 horizon=3151 2026-09-08T06:29:54.341199Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=199 success=true 2026-09-08T06:29:54.369004Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=11536 maximum_identical_destinations=1 2026-09-08T06:29:54.369040Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=2493 selected_horizon=2493 endpoint_lower_bound=2304 lower_bound_gap=189 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.373617Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:29:54.375355Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=32 row_words=151 horizon=2493 2026-09-08T06:29:54.528950Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=466 success=true 2026-09-08T06:29:54.552557Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=6561 2026-09-08T06:29:54.580624Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=22 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:29:54.580664Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=22 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.585903Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=22 tile=662 row_words=65 horizon=1944 2026-09-08T06:29:54.601688Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=513 success=true 2026-09-08T06:29:54.604484Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=513 success=true 2026-09-08T06:29:54.656029Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=512 success=true 2026-09-08T06:29:54.800968Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=61520 2026-09-08T06:29:54.805080Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:29:54.805130Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=6543 selected_horizon=6543 endpoint_lower_bound=3648 lower_bound_gap=2895 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.813604Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=415 row_words=166 horizon=6543 2026-09-08T06:29:54.878653Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:29:54.878688Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.885370Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:29:54.885404Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.888147Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=230 row_words=156 horizon=5487 2026-09-08T06:29:54.895031Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=230 row_words=156 horizon=5487 2026-09-08T06:29:54.895108Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=521 success=true 2026-09-08T06:29:54.900256Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=668 success=true 2026-09-08T06:29:54.920237Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:54.953345Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:29:54.953381Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:54.962893Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=230 row_words=156 horizon=5487 2026-09-08T06:29:55.166568Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:55.189580Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:55.205406Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=66880 2026-09-08T06:29:55.215167Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:55.219179Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:29:55.219248Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=6474 selected_horizon=6474 endpoint_lower_bound=3648 lower_bound_gap=2826 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:55.223579Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=75104 2026-09-08T06:29:55.229279Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=322 row_words=170 horizon=6474 2026-09-08T06:29:55.287607Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:55.290015Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:55.369434Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:29:55.386759Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:29:55.386805Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:55.402000Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:29:55.932511Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=32656 2026-09-08T06:29:56.144326Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=6561 elapsed_ms=1591 success=true 2026-09-08T06:29:56.651254Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=61520 elapsed_ms=1850 success=true 2026-09-08T06:29:56.991801Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2071 success=true 2026-09-08T06:29:57.030236Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=6561 maximum_identical_destinations=1 2026-09-08T06:29:57.030283Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=7393 selected_horizon=7393 endpoint_lower_bound=5248 lower_bound_gap=2145 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:57.049578Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=722 row_words=264 horizon=7393 2026-09-08T06:29:57.264411Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=66880 elapsed_ms=2058 success=true 2026-09-08T06:29:57.581625Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2366 success=true 2026-09-08T06:29:57.640559Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2450 success=true 2026-09-08T06:29:57.644285Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2477 success=true 2026-09-08T06:29:57.702180Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2412 success=true 2026-09-08T06:29:57.708914Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2421 success=true 2026-09-08T06:29:57.786835Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2417 success=true 2026-09-08T06:29:57.957089Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=75104 elapsed_ms=2733 success=true 2026-09-08T06:29:58.555534Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=45 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:58.555582Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=45 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:58.561450Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=61520 maximum_identical_destinations=1 2026-09-08T06:29:58.561490Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:58.593403Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=45 tile=106 row_words=170 horizon=891 2026-09-08T06:29:58.604803Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=352 row_words=277 horizon=7133 2026-09-08T06:29:59.226570Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=19 transfers=66880 maximum_identical_destinations=1 2026-09-08T06:29:59.226624Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=19 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.272161Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=19 tile=362 row_words=321 horizon=5497 2026-09-08T06:29:59.422225Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=75104 maximum_identical_destinations=1 2026-09-08T06:29:59.422278Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=10616 selected_horizon=10616 endpoint_lower_bound=8832 lower_bound_gap=1784 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.436085Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=41 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:59.436132Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=41 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.465191Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:59.465256Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.469551Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=723 row_words=383 horizon=10616 2026-09-08T06:29:59.476364Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=41 tile=106 row_words=170 horizon=891 2026-09-08T06:29:59.506237Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:29:59.526117Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:59.526164Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.535164Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:59.535247Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.552140Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:59.552183Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.566582Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:29:59.576448Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:29:59.592840Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=221 row_words=174 horizon=892 2026-09-08T06:29:59.601363Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=35 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:29:59.601407Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=35 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:29:59.602500Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=32656 elapsed_ms=3669 success=false 2026-09-08T06:29:59.648114Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=35 tile=106 row_words=170 horizon=891 2026-09-08T06:30:06.581481Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195656 2026-09-08T06:30:06.643356Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=70015 2026-09-08T06:30:08.547432Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:30:18.493683Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195656 elapsed_ms=11912 success=false 2026-09-08T06:30:20.203283Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=70015 elapsed_ms=13559 success=false 2026-09-08T06:30:21.729310Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=13181 success=false 2026-09-08T06:30:21.983015Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:22.482066Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=498 success=true 2026-09-08T06:30:22.704074Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:22.704111Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=7135 selected_horizon=7135 endpoint_lower_bound=3648 lower_bound_gap=3487 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:22.709710Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=507 row_words=166 horizon=7135 2026-09-08T06:30:24.094027Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=32 candidates=5326 ordinary_horizon=14219 paired_horizon=11505 use_paired=true 2026-09-08T06:30:24.125837Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:30:24.125860Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=11505 selected_horizon=11505 endpoint_lower_bound=9120 lower_bound_gap=2385 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:24.138522Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=325 row_words=197 horizon=11505 2026-09-08T06:30:24.326586Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:24.326618Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:24.332094Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:24.501956Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=13599 maximum_identical_destinations=1 2026-09-08T06:30:24.501984Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=19777 selected_horizon=19777 endpoint_lower_bound=11808 lower_bound_gap=7969 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:24.512328Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=862 row_words=88 horizon=19777 2026-09-08T06:30:24.605700Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:30:24.605726Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:24.608585Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:30:25.271117Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=0 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:30:25.302721Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=49 transfers=1248 maximum_identical_destinations=1 2026-09-08T06:30:25.302749Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=49 initial_horizon=5867 selected_horizon=5867 endpoint_lower_bound=5760 lower_bound_gap=107 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.303573Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=49 tile=79 row_words=47 horizon=5867 2026-09-08T06:30:25.304420Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=59 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:30:25.304447Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=59 initial_horizon=3150 selected_horizon=3150 endpoint_lower_bound=1024 lower_bound_gap=2126 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.305489Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=59 tile=947 row_words=9 horizon=3150 2026-09-08T06:30:25.321407Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=63 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:30:25.321436Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=63 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:30:25.322300Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=63 tile=1439 row_words=9 horizon=2806 2026-09-08T06:30:25.323604Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=60 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:30:25.323619Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=60 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.324136Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=60 tile=10 row_words=12 horizon=193 2026-09-08T06:30:25.329794Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:30:25.329821Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:30:25.331296Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:30:25.339612Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:30:25.343083Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=27 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:30:25.343109Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=27 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.344571Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=27 tile=252 row_words=18 horizon=3051 2026-09-08T06:30:25.348168Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:30:25.348193Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.349450Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:30:25.352240Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:30:25.352258Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.353266Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=947 row_words=9 horizon=846 2026-09-08T06:30:25.353518Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=64 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:30:25.353531Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=64 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.354019Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=64 tile=47 row_words=25 horizon=406 2026-09-08T06:30:25.380076Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:30:25.380094Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.380558Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=47 row_words=23 horizon=374 2026-09-08T06:30:25.381623Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:30:25.381651Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:30:25.383155Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=252 row_words=18 horizon=2748 2026-09-08T06:30:25.433318Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11536 2026-09-08T06:30:25.447224Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=107 success=true 2026-09-08T06:30:25.454252Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:25.455248Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:25.470171Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:25.470226Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:25.471360Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:25.471389Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:25.472314Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:25.472348Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:25.475958Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:25.477249Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:25.478167Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:25.484935Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:25.484962Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:25.490444Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:25.500187Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:30:25.505311Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:25.553470Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:25.553497Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:25.559310Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:25.564820Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:30:25.565478Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:30:25.565501Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.568575Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:30:25.636027Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11536 elapsed_ms=202 success=true 2026-09-08T06:30:25.647252Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:30:25.647290Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:25.659443Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=1253 row_words=57 horizon=3151 2026-09-08T06:30:25.685075Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=184 success=true 2026-09-08T06:30:25.735787Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=11536 maximum_identical_destinations=1 2026-09-08T06:30:25.735808Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=2493 selected_horizon=2493 endpoint_lower_bound=2304 lower_bound_gap=189 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.742022Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=32 row_words=151 horizon=2493 2026-09-08T06:30:25.773372Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=6561 2026-09-08T06:30:25.773431Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:25.787899Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=13599 maximum_identical_destinations=1 2026-09-08T06:30:25.787931Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=19777 selected_horizon=19777 endpoint_lower_bound=11808 lower_bound_gap=7969 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.798066Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=862 row_words=88 horizon=19777 2026-09-08T06:30:25.889991Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=22 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:30:25.890021Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=22 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:25.894932Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=22 tile=662 row_words=65 horizon=1944 2026-09-08T06:30:25.895133Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=440 success=true 2026-09-08T06:30:25.898575Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=443 success=true 2026-09-08T06:30:25.982029Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=476 success=true 2026-09-08T06:30:26.152183Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:26.152241Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5278 selected_horizon=5278 endpoint_lower_bound=3648 lower_bound_gap=1630 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:26.157048Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=592 success=true 2026-09-08T06:30:26.157888Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:26.157912Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5278 selected_horizon=5278 endpoint_lower_bound=3648 lower_bound_gap=1630 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:26.161499Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=139 row_words=160 horizon=5278 2026-09-08T06:30:26.166606Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=139 row_words=160 horizon=5278 2026-09-08T06:30:26.206348Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=61520 2026-09-08T06:30:26.235667Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=462 success=true 2026-09-08T06:30:26.242691Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:26.242720Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=6963 selected_horizon=6963 endpoint_lower_bound=3648 lower_bound_gap=3315 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:26.251260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=323 row_words=174 horizon=6963 2026-09-08T06:30:26.304243Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:26.317358Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:26.391302Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:26.407095Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=75104 2026-09-08T06:30:26.424031Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:26.453268Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:26.453301Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:26.455083Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:26.459113Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:26.460428Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:26.460450Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=7138 selected_horizon=7138 endpoint_lower_bound=3648 lower_bound_gap=3490 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:26.467414Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=231 row_words=172 horizon=7138 2026-09-08T06:30:26.513594Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:30:26.513623Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:26.526764Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:30:26.627299Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:26.644974Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:26.729582Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=32 candidates=5326 ordinary_horizon=14219 paired_horizon=11505 use_paired=true 2026-09-08T06:30:26.762839Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:30:26.762863Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=11505 selected_horizon=11505 endpoint_lower_bound=9120 lower_bound_gap=2385 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:26.776097Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=325 row_words=197 horizon=11505 2026-09-08T06:30:27.074629Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=447 success=true 2026-09-08T06:30:27.164333Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=6561 elapsed_ms=1390 success=true 2026-09-08T06:30:27.181640Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=66880 2026-09-08T06:30:27.337500Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:27.337536Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=6640 selected_horizon=6640 endpoint_lower_bound=3648 lower_bound_gap=2992 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:27.345933Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=231 row_words=168 horizon=6640 2026-09-08T06:30:27.634429Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=61520 elapsed_ms=1428 success=true 2026-09-08T06:30:27.862248Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=6561 maximum_identical_destinations=1 2026-09-08T06:30:27.862284Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=7173 selected_horizon=7173 endpoint_lower_bound=5248 lower_bound_gap=1925 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:27.878567Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=105 row_words=257 horizon=7173 2026-09-08T06:30:28.103241Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1785 success=true 2026-09-08T06:30:28.133964Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1829 success=true 2026-09-08T06:30:28.310612Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1919 success=true 2026-09-08T06:30:28.338442Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1883 success=true 2026-09-08T06:30:28.416045Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1991 success=true 2026-09-08T06:30:28.698855Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2053 success=true 2026-09-08T06:30:28.786503Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=32656 2026-09-08T06:30:28.920868Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=75104 elapsed_ms=2513 success=true 2026-09-08T06:30:29.037778Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=61520 maximum_identical_destinations=1 2026-09-08T06:30:29.037808Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:29.049779Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=66880 elapsed_ms=1868 success=true 2026-09-08T06:30:29.067649Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=352 row_words=277 horizon=7133 2026-09-08T06:30:29.326494Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:29.326529Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:29.334427Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=41 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:29.334456Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=41 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:29.363300Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:30:29.371378Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=41 tile=106 row_words=170 horizon=891 2026-09-08T06:30:29.585369Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:29.585406Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:29.622246Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:30:29.627792Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=35 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:29.627822Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=35 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:29.664982Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=35 tile=106 row_words=170 horizon=891 2026-09-08T06:30:29.863799Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=45 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:29.863832Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=45 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:29.905764Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=45 tile=106 row_words=170 horizon=891 2026-09-08T06:30:30.132697Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=75104 maximum_identical_destinations=1 2026-09-08T06:30:30.132734Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=10616 selected_horizon=10616 endpoint_lower_bound=8832 lower_bound_gap=1784 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:30.177362Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:30.177397Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:30.182440Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=723 row_words=383 horizon=10616 2026-09-08T06:30:30.214068Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:30:30.750786Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:30.774195Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=19 transfers=66880 maximum_identical_destinations=1 2026-09-08T06:30:30.774245Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=19 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:30.824276Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=19 tile=362 row_words=321 horizon=5497 2026-09-08T06:30:32.100537Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=32656 elapsed_ms=3313 success=false 2026-09-08T06:30:32.595669Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1844 success=true 2026-09-08T06:30:33.779725Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:33.779783Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:33.816559Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=221 row_words=174 horizon=892 2026-09-08T06:30:34.286374Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=70015 2026-09-08T06:30:35.320260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195656 2026-09-08T06:30:38.904814Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:30:44.896719Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195656 elapsed_ms=9576 success=false 2026-09-08T06:30:45.220133Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:45.658902Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=438 success=true 2026-09-08T06:30:45.913982Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:45.914016Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5278 selected_horizon=5278 endpoint_lower_bound=3648 lower_bound_gap=1630 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:45.921907Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=139 row_words=160 horizon=5278 2026-09-08T06:30:46.258682Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=70015 elapsed_ms=11972 success=false 2026-09-08T06:30:48.310837Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=9405 success=false 2026-09-08T06:30:48.958428Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=2 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:30:49.008054Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=59 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:30:49.008086Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=59 initial_horizon=3150 selected_horizon=3150 endpoint_lower_bound=1024 lower_bound_gap=2126 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.009118Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=59 tile=947 row_words=9 horizon=3150 2026-09-08T06:30:49.011548Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:30:49.011573Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.012596Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=947 row_words=9 horizon=846 2026-09-08T06:30:49.013191Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:30:49.013234Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.013688Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=47 row_words=23 horizon=374 2026-09-08T06:30:49.023831Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=287 2026-09-08T06:30:49.027278Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=60 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:30:49.027299Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=60 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.027816Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=60 tile=10 row_words=12 horizon=193 2026-09-08T06:30:49.029833Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=287 elapsed_ms=5 success=true 2026-09-08T06:30:49.036806Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=49 transfers=1248 maximum_identical_destinations=1 2026-09-08T06:30:49.036832Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=49 initial_horizon=5867 selected_horizon=5867 endpoint_lower_bound=5760 lower_bound_gap=107 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.037636Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=49 tile=79 row_words=47 horizon=5867 2026-09-08T06:30:49.048147Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:30:49.048180Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:30:49.050722Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:30:49.059369Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11536 2026-09-08T06:30:49.073872Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:30:49.091684Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=64 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:30:49.091722Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=64 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.092520Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=64 tile=47 row_words=25 horizon=406 2026-09-08T06:30:49.107628Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:49.107651Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:49.109395Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=63 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:30:49.109421Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=63 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:30:49.110877Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=63 tile=1439 row_words=9 horizon=2806 2026-09-08T06:30:49.111612Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:49.146768Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:30:49.146800Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:30:49.148306Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=252 row_words=18 horizon=2748 2026-09-08T06:30:49.154904Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=27 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:30:49.154933Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=27 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.156367Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=27 tile=252 row_words=18 horizon=3051 2026-09-08T06:30:49.162038Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:49.162066Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:49.167826Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:49.168915Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:30:49.178106Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:49.182488Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:49.182516Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:49.188506Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:49.207507Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=133 success=true 2026-09-08T06:30:49.237196Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:49.237249Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:49.242925Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:49.260059Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11536 elapsed_ms=200 success=true 2026-09-08T06:30:49.260645Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:49.352421Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=183 success=true 2026-09-08T06:30:49.360153Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=11536 maximum_identical_destinations=1 2026-09-08T06:30:49.360180Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=2493 selected_horizon=2493 endpoint_lower_bound=2304 lower_bound_gap=189 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.366356Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=32 row_words=151 horizon=2493 2026-09-08T06:30:49.459779Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=6561 2026-09-08T06:30:49.551618Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=22 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:30:49.551642Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=22 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.556424Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=22 tile=662 row_words=65 horizon=1944 2026-09-08T06:30:49.584579Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:49.589133Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=328 success=true 2026-09-08T06:30:49.594342Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=61520 2026-09-08T06:30:49.626622Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=448 success=true 2026-09-08T06:30:49.790359Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:49.790389Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=7841 selected_horizon=7841 endpoint_lower_bound=3648 lower_bound_gap=4193 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.797064Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=322 row_words=167 horizon=7841 2026-09-08T06:30:49.828544Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=66880 2026-09-08T06:30:49.879964Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:49.879991Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=7443 selected_horizon=7443 endpoint_lower_bound=3648 lower_bound_gap=3795 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:49.888631Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=45 row_words=173 horizon=7443 2026-09-08T06:30:50.011403Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=75104 2026-09-08T06:30:50.015283Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=430 success=true 2026-09-08T06:30:50.078617Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:50.094333Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:50.116410Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:50.139108Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:50.152706Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:50.275471Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:50.275503Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:50.283478Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=230 row_words=156 horizon=5487 2026-09-08T06:30:50.587298Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=32656 2026-09-08T06:30:50.781490Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=6561 elapsed_ms=1321 success=true 2026-09-08T06:30:51.116512Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=61520 elapsed_ms=1522 success=true 2026-09-08T06:30:51.131936Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=32 candidates=5326 ordinary_horizon=14219 paired_horizon=11505 use_paired=true 2026-09-08T06:30:51.167574Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:30:51.167598Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=11505 selected_horizon=11505 endpoint_lower_bound=9120 lower_bound_gap=2385 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:51.181351Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=325 row_words=197 horizon=11505 2026-09-08T06:30:51.476918Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=6561 maximum_identical_destinations=1 2026-09-08T06:30:51.476950Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=7393 selected_horizon=7393 endpoint_lower_bound=5248 lower_bound_gap=2145 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:51.493011Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=722 row_words=264 horizon=7393 2026-09-08T06:30:51.566853Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=66880 elapsed_ms=1738 success=true 2026-09-08T06:30:52.043067Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1948 success=true 2026-09-08T06:30:52.064059Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1985 success=true 2026-09-08T06:30:52.072890Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1956 success=true 2026-09-08T06:30:52.131680Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1978 success=true 2026-09-08T06:30:52.149613Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2010 success=true 2026-09-08T06:30:52.271766Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=75104 elapsed_ms=2260 success=true 2026-09-08T06:30:52.628279Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=61520 maximum_identical_destinations=1 2026-09-08T06:30:52.628317Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:52.669483Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=352 row_words=277 horizon=7133 2026-09-08T06:30:52.874574Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:52.874607Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:52.880456Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:53.237083Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=19 transfers=66880 maximum_identical_destinations=1 2026-09-08T06:30:53.237125Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=19 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.261581Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=13599 maximum_identical_destinations=1 2026-09-08T06:30:53.261623Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=19777 selected_horizon=19777 endpoint_lower_bound=11808 lower_bound_gap=7969 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.271221Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=862 row_words=88 horizon=19777 2026-09-08T06:30:53.284385Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=19 tile=362 row_words=321 horizon=5497 2026-09-08T06:30:53.394902Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=45 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:53.394938Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=45 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.432687Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=45 tile=106 row_words=170 horizon=891 2026-09-08T06:30:53.462433Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=75104 maximum_identical_destinations=1 2026-09-08T06:30:53.462467Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=10616 selected_horizon=10616 endpoint_lower_bound=8832 lower_bound_gap=1784 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.507252Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=723 row_words=383 horizon=10616 2026-09-08T06:30:53.508690Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:30:53.508714Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:53.514492Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:30:53.517272Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=35 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:53.517301Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=35 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.524927Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=41 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:53.524958Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=41 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.561260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=35 tile=106 row_words=170 horizon=891 2026-09-08T06:30:53.576269Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=41 tile=106 row_words=170 horizon=891 2026-09-08T06:30:53.583127Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:53.583156Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.588665Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:53.588692Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:53.620398Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:30:53.626499Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=221 row_words=174 horizon=892 2026-09-08T06:30:53.782280Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=32656 elapsed_ms=3194 success=false 2026-09-08T06:30:53.830318Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:53.831377Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:53.848126Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:30:53.848152Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:30:53.857233Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=1253 row_words=57 horizon=3151 2026-09-08T06:30:53.983428Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:30:54.262456Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=431 success=true 2026-09-08T06:30:54.279907Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=449 success=true 2026-09-08T06:30:54.427714Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=444 success=true 2026-09-08T06:30:54.527321Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:54.527353Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:54.536004Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=230 row_words=156 horizon=5487 2026-09-08T06:30:54.547660Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:54.547687Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:54.556336Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=230 row_words=156 horizon=5487 2026-09-08T06:30:54.673499Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:30:54.673521Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=7301 selected_horizon=7301 endpoint_lower_bound=3648 lower_bound_gap=3653 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:54.679574Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=137 row_words=164 horizon=7301 2026-09-08T06:30:55.681172Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:30:57.493725Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1812 success=true 2026-09-08T06:30:57.845813Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=70015 2026-09-08T06:30:58.625051Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:30:58.625087Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:30:58.663108Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:30:59.546983Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:31:07.111311Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=7564 success=false 2026-09-08T06:31:09.308939Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=70015 elapsed_ms=11463 success=false 2026-09-08T06:31:09.448155Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:31:09.448229Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:09.451375Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:31:19.220548Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195656 2026-09-08T06:31:31.184982Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195656 elapsed_ms=11964 success=false 2026-09-08T06:31:31.301059Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:31:31.301110Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:31.302530Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:31:31.591507Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:31:32.175652Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:32.205686Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=614 success=true 2026-09-08T06:31:32.607651Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:31:32.607716Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:32.621663Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:31:33.741072Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1565 success=true 2026-09-08T06:31:34.963369Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:34.963414Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:34.990020Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:31:36.062116Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=3 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:31:36.098066Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:31:36.098113Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.099512Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:31:36.102189Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=59 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:31:36.102260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=59 initial_horizon=3150 selected_horizon=3150 endpoint_lower_bound=1024 lower_bound_gap=2126 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.103408Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=59 tile=947 row_words=9 horizon=3150 2026-09-08T06:31:36.121087Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:31:36.124251Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=60 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:31:36.124286Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=60 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.124839Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=60 tile=10 row_words=12 horizon=193 2026-09-08T06:31:36.125298Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:31:36.125343Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.126471Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=947 row_words=9 horizon=846 2026-09-08T06:31:36.128561Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:31:36.128603Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:31:36.130411Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:31:36.135304Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=287 2026-09-08T06:31:36.141046Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=287 elapsed_ms=5 success=true 2026-09-08T06:31:36.153951Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=63 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:31:36.153982Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=63 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:31:36.155088Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=63 tile=1439 row_words=9 horizon=2806 2026-09-08T06:31:36.155749Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=64 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:31:36.155791Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=64 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.156374Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=64 tile=47 row_words=25 horizon=406 2026-09-08T06:31:36.158466Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:31:36.158492Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.159446Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=47 row_words=23 horizon=374 2026-09-08T06:31:36.242767Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=121 success=true 2026-09-08T06:31:36.243371Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11536 2026-09-08T06:31:36.267517Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:31:36.267563Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:31:36.269295Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=252 row_words=18 horizon=2748 2026-09-08T06:31:36.289224Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:31:36.297946Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:31:36.303617Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:31:36.303654Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:36.309735Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:31:36.335981Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:31:36.336022Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:36.341094Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=27 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:31:36.341142Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=27 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.342344Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=588 row_words=41 horizon=1936 2026-09-08T06:31:36.342663Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=27 tile=252 row_words=18 horizon=3051 2026-09-08T06:31:36.349673Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:31:36.364705Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:31:36.364745Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:36.371135Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=588 row_words=41 horizon=1936 2026-09-08T06:31:36.382474Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=49 transfers=1248 maximum_identical_destinations=1 2026-09-08T06:31:36.382504Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=49 initial_horizon=5867 selected_horizon=5867 endpoint_lower_bound=5760 lower_bound_gap=107 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.383391Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=49 tile=79 row_words=47 horizon=5867 2026-09-08T06:31:36.390377Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:31:36.398553Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:31:36.398594Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:36.404977Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=588 row_words=41 horizon=1936 2026-09-08T06:31:36.437891Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:31:36.462599Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11536 elapsed_ms=219 success=true 2026-09-08T06:31:36.497991Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=200 success=true 2026-09-08T06:31:36.538407Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:31:36.538455Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:36.548802Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=1253 row_words=57 horizon=3151 2026-09-08T06:31:36.582463Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=11536 maximum_identical_destinations=1 2026-09-08T06:31:36.582511Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=2493 selected_horizon=2493 endpoint_lower_bound=2304 lower_bound_gap=189 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.588946Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=32 row_words=151 horizon=2493 2026-09-08T06:31:36.691562Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=6561 2026-09-08T06:31:36.728720Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=13599 maximum_identical_destinations=1 2026-09-08T06:31:36.728762Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=19777 selected_horizon=19777 endpoint_lower_bound=11808 lower_bound_gap=7969 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.738289Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=22 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:31:36.738327Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=22 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:36.739770Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=862 row_words=88 horizon=19777 2026-09-08T06:31:36.743725Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=22 tile=662 row_words=65 horizon=1944 2026-09-08T06:31:36.777334Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=488 success=true 2026-09-08T06:31:36.853188Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=503 success=true 2026-09-08T06:31:36.913464Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=523 success=true 2026-09-08T06:31:37.071237Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:31:37.071271Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:37.080438Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=230 row_words=156 horizon=5487 2026-09-08T06:31:37.110349Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=672 success=true 2026-09-08T06:31:37.115322Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=61520 2026-09-08T06:31:37.157948Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:31:37.157987Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=7841 selected_horizon=7841 endpoint_lower_bound=3648 lower_bound_gap=4193 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:37.167536Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=322 row_words=167 horizon=7841 2026-09-08T06:31:37.241428Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:31:37.241473Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=7301 selected_horizon=7301 endpoint_lower_bound=3648 lower_bound_gap=3653 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:37.252631Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=137 row_words=164 horizon=7301 2026-09-08T06:31:37.357510Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=75104 2026-09-08T06:31:37.378835Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:31:37.380314Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:37.476270Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:37.487667Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:31:37.487703Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:37.488106Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:37.494157Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:31:37.495411Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:37.507967Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:37.578517Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:31:37.578563Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:37.593613Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:31:37.875256Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=32 candidates=5326 ordinary_horizon=14219 paired_horizon=11505 use_paired=true 2026-09-08T06:31:37.893328Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=514 success=true 2026-09-08T06:31:37.912682Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:31:37.912712Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=11505 selected_horizon=11505 endpoint_lower_bound=9120 lower_bound_gap=2385 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:37.926721Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=325 row_words=197 horizon=11505 2026-09-08T06:31:38.210193Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:31:38.210259Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=7443 selected_horizon=7443 endpoint_lower_bound=3648 lower_bound_gap=3795 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:38.219797Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=45 row_words=173 horizon=7443 2026-09-08T06:31:38.327709Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=6561 elapsed_ms=1636 success=true 2026-09-08T06:31:38.423828Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:31:38.915860Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=491 success=true 2026-09-08T06:31:39.040197Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=61520 elapsed_ms=1924 success=true 2026-09-08T06:31:39.181083Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:31:39.235702Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=6561 maximum_identical_destinations=1 2026-09-08T06:31:39.235742Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=7393 selected_horizon=7393 endpoint_lower_bound=5248 lower_bound_gap=2145 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:39.241965Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:31:39.242006Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:39.251935Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=230 row_words=156 horizon=5487 2026-09-08T06:31:39.252560Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=722 row_words=264 horizon=7393 2026-09-08T06:31:39.520345Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2139 success=true 2026-09-08T06:31:39.837681Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2361 success=true 2026-09-08T06:31:39.855076Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2359 success=true 2026-09-08T06:31:39.869109Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2361 success=true 2026-09-08T06:31:39.875549Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2387 success=true 2026-09-08T06:31:40.198035Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=75104 elapsed_ms=2840 success=true 2026-09-08T06:31:40.529862Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=61520 maximum_identical_destinations=1 2026-09-08T06:31:40.529911Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:40.563076Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=352 row_words=277 horizon=7133 2026-09-08T06:31:41.092264Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:41.092309Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:41.131743Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:31:41.473455Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2292 success=true 2026-09-08T06:31:41.634313Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=35 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:41.634365Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=35 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:41.662136Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=75104 maximum_identical_destinations=1 2026-09-08T06:31:41.662183Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=10616 selected_horizon=10616 endpoint_lower_bound=8832 lower_bound_gap=1784 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:41.675778Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=35 tile=106 row_words=170 horizon=891 2026-09-08T06:31:41.697705Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=45 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:41.697763Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=45 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:41.708502Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:41.708548Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:41.710745Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=723 row_words=383 horizon=10616 2026-09-08T06:31:41.728091Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:41.728138Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:41.738352Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=45 tile=106 row_words=170 horizon=891 2026-09-08T06:31:41.748596Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:31:41.769845Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:31:41.980019Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:31:41.980069Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:31:41.986435Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:31:43.028180Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:31:43.028264Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:31:43.067384Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=221 row_words=174 horizon=892 2026-09-08T06:31:48.470685Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=70015 2026-09-08T06:31:51.408640Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195656 2026-09-08T06:31:58.034990Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:32:03.924300Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195656 elapsed_ms=12515 success=false 2026-09-08T06:32:04.778582Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=70015 elapsed_ms=16307 success=false 2026-09-08T06:32:09.476473Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=11441 success=false 2026-09-08T06:32:09.747101Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:10.246857Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=499 success=true 2026-09-08T06:32:10.557362Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:10.557405Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5487 selected_horizon=5487 endpoint_lower_bound=3648 lower_bound_gap=1839 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:10.566342Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=230 row_words=156 horizon=5487 2026-09-08T06:32:11.424383Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=66880 2026-09-08T06:32:12.204008Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=32656 2026-09-08T06:32:12.843255Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=66880 elapsed_ms=1418 success=true 2026-09-08T06:32:14.324479Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=19 transfers=66880 maximum_identical_destinations=1 2026-09-08T06:32:14.324520Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=19 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:14.352842Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=19 tile=362 row_words=321 horizon=5497 2026-09-08T06:32:15.424584Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:15.659344Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=32656 elapsed_ms=3455 success=false 2026-09-08T06:32:17.594933Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2170 success=true 2026-09-08T06:32:19.103907Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=41 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:19.103962Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=41 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:19.145260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=41 tile=106 row_words=170 horizon=891 2026-09-08T06:32:19.280594Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:32:19.280626Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:19.284000Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:32:20.070989Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=1 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:32:20.106175Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:32:20.106241Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=3152 selected_horizon=3152 endpoint_lower_bound=1024 lower_bound_gap=2128 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.106410Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:32:20.106442Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=844 selected_horizon=844 endpoint_lower_bound=256 lower_bound_gap=588 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.107370Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=905 row_words=9 horizon=3152 2026-09-08T06:32:20.107492Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=905 row_words=9 horizon=844 2026-09-08T06:32:20.109400Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=58 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:32:20.109437Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=58 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.110023Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=58 tile=47 row_words=25 horizon=406 2026-09-08T06:32:20.111436Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=57 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:32:20.111473Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=57 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:32:20.112540Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=57 tile=1439 row_words=9 horizon=2806 2026-09-08T06:32:20.117864Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=287 2026-09-08T06:32:20.117967Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:32:20.117999Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.118552Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=10 row_words=12 horizon=193 2026-09-08T06:32:20.124263Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=287 elapsed_ms=6 success=true 2026-09-08T06:32:20.136593Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:32:20.136620Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.137101Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-08T06:32:20.137491Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:32:20.137538Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:32:20.139192Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:32:20.172663Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:32:20.172708Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.175945Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:32:20.226909Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:32:20.226970Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.229868Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=252 row_words=18 horizon=3051 2026-09-08T06:32:20.262062Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:32:20.262111Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:32:20.263788Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=252 row_words=18 horizon=2748 2026-09-08T06:32:20.287007Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:20.295419Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:20.310989Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:20.327485Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:32:20.327531Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.332866Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:32:20.332909Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.334086Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=588 row_words=41 horizon=1936 2026-09-08T06:32:20.339463Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=588 row_words=41 horizon=1936 2026-09-08T06:32:20.364776Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:32:20.369920Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:20.384148Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:32:20.384195Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.384630Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:32:20.384666Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.389184Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:32:20.389253Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.390384Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=588 row_words=41 horizon=1936 2026-09-08T06:32:20.390928Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:32:20.393299Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:32:20.393352Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.395656Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:32:20.399784Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:32:20.572575Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=207 success=true 2026-09-08T06:32:20.615866Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:32:20.615919Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:32:20.626025Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=1253 row_words=57 horizon=3151 2026-09-08T06:32:20.679304Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:20.778300Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=491 success=true 2026-09-08T06:32:20.789933Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=494 success=true 2026-09-08T06:32:20.816975Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:32:20.817011Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:20.822508Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=662 row_words=65 horizon=1944 2026-09-08T06:32:20.836466Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=525 success=true 2026-09-08T06:32:20.840982Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:20.926466Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=556 success=true 2026-09-08T06:32:21.101399Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:21.101443Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:21.104669Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:21.104700Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:21.110423Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=596 row_words=160 horizon=5365 2026-09-08T06:32:21.113552Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=596 row_words=160 horizon=5365 2026-09-08T06:32:21.160388Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:21.160430Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:21.169260Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=596 row_words=160 horizon=5365 2026-09-08T06:32:21.241404Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:21.241448Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=6474 selected_horizon=6474 endpoint_lower_bound=3648 lower_bound_gap=2826 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:21.251131Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=322 row_words=170 horizon=6474 2026-09-08T06:32:21.350705Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:21.376374Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=535 success=true 2026-09-08T06:32:21.438679Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:21.518009Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:21.556902Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:21.642720Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=30 candidates=5326 ordinary_horizon=14257 paired_horizon=11348 use_paired=true 2026-09-08T06:32:21.678451Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:32:21.678482Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=11348 selected_horizon=11348 endpoint_lower_bound=9120 lower_bound_gap=2228 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:21.685146Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:21.685177Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=6543 selected_horizon=6543 endpoint_lower_bound=3648 lower_bound_gap=2895 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:21.692749Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=325 row_words=197 horizon=11348 2026-09-08T06:32:21.694037Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=415 row_words=166 horizon=6543 2026-09-08T06:32:22.487728Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=1808 success=true 2026-09-08T06:32:23.061467Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1710 success=true 2026-09-08T06:32:23.486655Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:23.486713Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=10456 selected_horizon=10456 endpoint_lower_bound=8832 lower_bound_gap=1624 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:23.504423Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=507 row_words=380 horizon=10456 2026-09-08T06:32:23.784380Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2345 success=true 2026-09-08T06:32:23.869479Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2312 success=true 2026-09-08T06:32:23.876193Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2358 success=true 2026-09-08T06:32:24.621395Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:24.621451Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:24.663054Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:32:24.969473Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=18 transfers=3840 maximum_identical_destinations=1 2026-09-08T06:32:24.969525Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=18 initial_horizon=31310 selected_horizon=31310 endpoint_lower_bound=30720 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:24.985627Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=18 tile=91 row_words=370 horizon=31310 2026-09-08T06:32:25.448733Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=24 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:25.448785Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=24 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:25.488585Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=24 tile=221 row_words=174 horizon=892 2026-09-08T06:32:25.541738Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:25.541786Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:25.581391Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=43 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:25.581438Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=43 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:25.582386Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:32:25.626639Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=43 tile=106 row_words=170 horizon=891 2026-09-08T06:32:25.807740Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:32:26.310687Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=502 success=true 2026-09-08T06:32:26.607312Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:32:26.607350Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7169 selected_horizon=7169 endpoint_lower_bound=3648 lower_bound_gap=3521 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:26.616497Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=507 row_words=168 horizon=7169 2026-09-08T06:32:27.798028Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:29.932584Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2134 success=true 2026-09-08T06:32:31.529611Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=39 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:31.529665Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=39 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:31.570648Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=39 tile=106 row_words=170 horizon=891 2026-09-08T06:32:36.996295Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:32:49.358766Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=12362 success=false 2026-09-08T06:32:50.026979Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:50.389081Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:32:51.215167Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1188 success=true 2026-09-08T06:32:52.028180Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=33 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:52.028226Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=33 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:52.050904Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=33 tile=106 row_words=170 horizon=891 2026-09-08T06:32:52.320502Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1931 success=true 2026-09-08T06:32:53.522869Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:32:53.522908Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:53.566406Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:32:53.816564Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=9064 maximum_identical_destinations=1 2026-09-08T06:32:53.816598Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=13354 selected_horizon=13354 endpoint_lower_bound=8832 lower_bound_gap=4522 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:32:53.823400Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=1345 row_words=59 horizon=13354 2026-09-08T06:33:00.624701Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195844 2026-09-08T06:33:10.097167Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195844 elapsed_ms=9472 success=false 2026-09-08T06:33:10.414893Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:33:10.941463Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=526 success=true 2026-09-08T06:33:11.282661Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:33:11.282691Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:11.295157Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:33:11.335869Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:33:11.335901Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:11.337081Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:33:28.129149Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=23391 maximum_identical_destinations=1 2026-09-08T06:33:28.129251Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=79140 selected_horizon=53319 endpoint_lower_bound=52524 lower_bound_gap=795 selected_kind="critical-neighborhood" neighborhood_improvements=2 2026-09-08T06:33:28.136705Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=0 row_words=2774 horizon=53319 2026-09-08T06:33:28.207845Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:33:28.333321Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=125 success=true 2026-09-08T06:33:29.207390Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=4 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:33:29.250907Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:33:29.250956Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.252396Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:33:29.266859Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:33:29.266907Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=844 selected_horizon=844 endpoint_lower_bound=256 lower_bound_gap=588 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.268112Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=905 row_words=9 horizon=844 2026-09-08T06:33:29.277001Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:33:29.277058Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:33:29.278752Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:33:29.284325Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:33:29.284367Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.286248Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=252 row_words=18 horizon=3051 2026-09-08T06:33:29.300942Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:33:29.300975Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.301541Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-08T06:33:29.330509Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:33:29.330542Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=3152 selected_horizon=3152 endpoint_lower_bound=1024 lower_bound_gap=2128 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.331891Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=905 row_words=9 horizon=3152 2026-09-08T06:33:29.353853Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=58 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:33:29.353891Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=58 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.354274Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=58 tile=47 row_words=25 horizon=406 2026-09-08T06:33:29.355996Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:33:29.356021Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.356753Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=10 row_words=12 horizon=193 2026-09-08T06:33:29.356884Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:33:29.374735Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=57 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:33:29.374780Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=57 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:33:29.375939Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=57 tile=1439 row_words=9 horizon=2806 2026-09-08T06:33:29.410739Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:33:29.421398Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:29.428409Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:33:29.428456Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:33:29.428533Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:29.428567Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:29.430149Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=252 row_words=18 horizon=2748 2026-09-08T06:33:29.433239Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:29.437082Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:29.450804Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=9064 maximum_identical_destinations=1 2026-09-08T06:33:29.450845Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=13354 selected_horizon=13354 endpoint_lower_bound=8832 lower_bound_gap=4522 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.451031Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:29.451069Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:29.456396Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=1345 row_words=59 horizon=13354 2026-09-08T06:33:29.457291Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:29.458742Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:29.458789Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:29.464972Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:29.466405Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:29.466448Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:29.472746Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:29.499595Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:29.525416Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=114 success=true 2026-09-08T06:33:29.563158Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=206 success=true 2026-09-08T06:33:29.590266Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:29.638294Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:29.706802Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:33:29.706844Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:29.713618Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=1253 row_words=57 horizon=3151 2026-09-08T06:33:29.815518Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:33:29.815553Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:29.821135Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=662 row_words=65 horizon=1944 2026-09-08T06:33:29.851518Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=351 success=true 2026-09-08T06:33:29.913289Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=491 success=true 2026-09-08T06:33:29.949608Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=512 success=true 2026-09-08T06:33:30.077857Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:30.077886Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=6640 selected_horizon=6640 endpoint_lower_bound=3648 lower_bound_gap=2992 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:30.084369Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=231 row_words=168 horizon=6640 2026-09-08T06:33:30.093048Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=502 success=true 2026-09-08T06:33:30.198287Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:30.218131Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:30.218174Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5367 selected_horizon=5367 endpoint_lower_bound=3648 lower_bound_gap=1719 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:30.229386Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=323 row_words=160 horizon=5367 2026-09-08T06:33:30.254332Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:30.259280Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:30.260894Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:30.260926Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5367 selected_horizon=5367 endpoint_lower_bound=3648 lower_bound_gap=1719 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:30.269936Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=323 row_words=160 horizon=5367 2026-09-08T06:33:30.401046Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:30.401085Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=6963 selected_horizon=6963 endpoint_lower_bound=3648 lower_bound_gap=3315 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:30.410068Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=323 row_words=174 horizon=6963 2026-09-08T06:33:30.577774Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:30.617939Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:30.726662Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=1088 success=true 2026-09-08T06:33:30.785421Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=30 candidates=5326 ordinary_horizon=14257 paired_horizon=11348 use_paired=true 2026-09-08T06:33:30.824421Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:33:30.824456Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=11348 selected_horizon=11348 endpoint_lower_bound=9120 lower_bound_gap=2228 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:30.839308Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=325 row_words=197 horizon=11348 2026-09-08T06:33:31.412269Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:31.412309Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=10457 selected_horizon=10457 endpoint_lower_bound=8832 lower_bound_gap=1625 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:31.430280Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=689 row_words=370 horizon=10457 2026-09-08T06:33:31.825800Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1627 success=true 2026-09-08T06:33:31.898151Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1643 success=true 2026-09-08T06:33:31.915402Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1656 success=true 2026-09-08T06:33:32.987935Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2369 success=true 2026-09-08T06:33:33.115320Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2537 success=true 2026-09-08T06:33:33.228317Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:33.228364Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:33.256987Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:33:33.292743Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=39 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:33.292780Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=39 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:33.318373Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=39 tile=106 row_words=170 horizon=891 2026-09-08T06:33:33.328377Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:33.328410Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:33.354101Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:33:34.580475Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=43 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:34.580526Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=43 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:34.620846Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=43 tile=106 row_words=170 horizon=891 2026-09-08T06:33:34.692146Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=18 transfers=3840 maximum_identical_destinations=1 2026-09-08T06:33:34.692190Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=18 initial_horizon=31310 selected_horizon=31310 endpoint_lower_bound=30720 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:34.707651Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=18 tile=91 row_words=370 horizon=31310 2026-09-08T06:33:34.807591Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=33 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:34.807628Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=33 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:34.846718Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=33 tile=106 row_words=170 horizon=891 2026-09-08T06:33:41.738024Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195844 2026-09-08T06:33:46.979634Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:33:50.808312Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=23391 maximum_identical_destinations=1 2026-09-08T06:33:50.808351Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=79140 selected_horizon=53319 endpoint_lower_bound=52524 lower_bound_gap=795 selected_kind="critical-neighborhood" neighborhood_improvements=2 2026-09-08T06:33:50.814472Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=0 row_words=2774 horizon=53319 2026-09-08T06:33:50.955826Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:50.955858Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:50.961564Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:50.987860Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:51.049616Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:51.145930Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195844 elapsed_ms=9407 success=false 2026-09-08T06:33:51.277990Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:33:51.278022Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:51.280949Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:33:51.408630Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=420 success=true 2026-09-08T06:33:51.458924Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:33:51.513084Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=463 success=true 2026-09-08T06:33:51.664231Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:51.664255Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5367 selected_horizon=5367 endpoint_lower_bound=3648 lower_bound_gap=1719 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:51.672382Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=323 row_words=160 horizon=5367 2026-09-08T06:33:51.698916Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:51.698937Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7138 selected_horizon=7138 endpoint_lower_bound=3648 lower_bound_gap=3490 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:51.704806Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=231 row_words=172 horizon=7138 2026-09-08T06:33:51.857149Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:52.011318Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=552 success=true 2026-09-08T06:33:52.354381Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:33:52.354415Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:52.358636Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:52.367186Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:33:53.017308Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1160 success=true 2026-09-08T06:33:53.525537Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1166 success=true 2026-09-08T06:33:53.838158Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=24 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:53.838186Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=24 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:53.861214Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=24 tile=221 row_words=174 horizon=892 2026-09-08T06:33:54.321140Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:33:54.321165Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:54.344568Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:33:55.172345Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=8192 success=false 2026-09-08T06:33:55.316786Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:55.316807Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:55.320140Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:55.828463Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=6 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:33:55.853745Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:33:55.853775Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=3152 selected_horizon=3152 endpoint_lower_bound=1024 lower_bound_gap=2128 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.854798Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=905 row_words=9 horizon=3152 2026-09-08T06:33:55.856509Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:33:55.856535Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.857802Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:33:55.861037Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:33:55.861063Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=844 selected_horizon=844 endpoint_lower_bound=256 lower_bound_gap=588 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.862052Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=905 row_words=9 horizon=844 2026-09-08T06:33:55.873225Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:33:55.873241Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.873783Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=10 row_words=12 horizon=193 2026-09-08T06:33:55.884911Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:33:55.884938Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:33:55.886460Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:33:55.889306Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:33:55.889322Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.889776Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-08T06:33:55.897929Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:33:55.897951Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.899485Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=252 row_words=18 horizon=3051 2026-09-08T06:33:55.899909Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=287 2026-09-08T06:33:55.905702Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=287 elapsed_ms=5 success=true 2026-09-08T06:33:55.919078Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:33:55.919108Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:55.922091Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:33:55.927019Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:33:55.985053Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:33:55.985075Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:33:55.986633Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=252 row_words=18 horizon=2748 2026-09-08T06:33:56.011219Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:56.015491Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:33:56.023298Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:56.028183Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:56.028228Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:56.033635Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:56.035188Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=108 success=true 2026-09-08T06:33:56.040882Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:56.040910Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:56.043420Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:56.043448Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:56.046105Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:56.046138Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:56.046415Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:56.049277Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:56.050707Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:33:56.050736Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:56.051651Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:56.056285Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=588 row_words=41 horizon=1936 2026-09-08T06:33:56.072355Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:56.101635Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=57 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:33:56.101654Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=57 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:33:56.102532Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=57 tile=1439 row_words=9 horizon=2806 2026-09-08T06:33:56.103264Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:56.111744Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=58 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:33:56.111771Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=58 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:56.112267Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=58 tile=47 row_words=25 horizon=406 2026-09-08T06:33:56.158933Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:56.191773Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=176 success=true 2026-09-08T06:33:56.268752Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:33:56.268789Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:33:56.279413Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=1253 row_words=57 horizon=3151 2026-09-08T06:33:56.399733Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:33:56.399756Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:56.404375Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=662 row_words=65 horizon=1944 2026-09-08T06:33:56.436334Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=425 success=true 2026-09-08T06:33:56.449270Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=425 success=true 2026-09-08T06:33:56.499884Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=427 success=true 2026-09-08T06:33:56.632881Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=529 success=true 2026-09-08T06:33:56.691194Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:56.691239Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:56.699816Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=596 row_words=160 horizon=5365 2026-09-08T06:33:56.704354Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:56.704382Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:56.712694Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=596 row_words=160 horizon=5365 2026-09-08T06:33:56.768299Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:56.768324Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:56.776645Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=596 row_words=160 horizon=5365 2026-09-08T06:33:56.893051Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:56.893081Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7517 selected_horizon=7517 endpoint_lower_bound=3648 lower_bound_gap=3869 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:56.902031Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=136 row_words=170 horizon=7517 2026-09-08T06:33:56.971358Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:56.974319Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:56.974395Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:56.982188Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:56.990100Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:57.085127Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:57.099688Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=940 success=true 2026-09-08T06:33:57.151495Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=30 candidates=5326 ordinary_horizon=14257 paired_horizon=11348 use_paired=true 2026-09-08T06:33:57.184647Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:33:57.184677Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=11348 selected_horizon=11348 endpoint_lower_bound=9120 lower_bound_gap=2228 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:57.198850Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=325 row_words=197 horizon=11348 2026-09-08T06:33:57.533402Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=448 success=true 2026-09-08T06:33:57.580396Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:57.580415Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=10456 selected_horizon=10456 endpoint_lower_bound=8832 lower_bound_gap=1624 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:57.590782Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=507 row_words=380 horizon=10456 2026-09-08T06:33:57.794896Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:57.794922Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=7301 selected_horizon=7301 endpoint_lower_bound=3648 lower_bound_gap=3653 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:57.804138Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=137 row_words=164 horizon=7301 2026-09-08T06:33:57.909560Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:33:57.983917Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:33:58.443224Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=459 success=true 2026-09-08T06:33:58.706484Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:33:58.706511Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=7443 selected_horizon=7443 endpoint_lower_bound=3648 lower_bound_gap=3795 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:58.715666Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=45 row_words=173 horizon=7443 2026-09-08T06:33:58.884769Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1913 success=true 2026-09-08T06:33:58.900718Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1910 success=true 2026-09-08T06:33:58.912670Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1938 success=true 2026-09-08T06:33:58.950215Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1975 success=true 2026-09-08T06:33:58.998809Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2016 success=true 2026-09-08T06:33:59.601679Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=18 transfers=3840 maximum_identical_destinations=1 2026-09-08T06:33:59.601718Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=18 initial_horizon=31310 selected_horizon=31310 endpoint_lower_bound=30720 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:33:59.616537Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=18 tile=91 row_words=370 horizon=31310 2026-09-08T06:33:59.745249Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1835 success=true 2026-09-08T06:34:00.195301Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:00.195330Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:00.199815Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=39 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:00.199839Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=39 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:00.233045Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:34:00.237102Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=39 tile=106 row_words=170 horizon=891 2026-09-08T06:34:00.256322Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=33 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:00.256350Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=33 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:00.272779Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:00.272805Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:00.294915Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=33 tile=106 row_words=170 horizon=891 2026-09-08T06:34:00.310780Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:34:00.366719Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=43 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:00.366748Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=43 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:00.404467Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=43 tile=106 row_words=170 horizon=891 2026-09-08T06:34:00.448257Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:00.448289Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:00.453925Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:00.577844Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:34:00.939041Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:00.939071Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:00.975541Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:34:01.105527Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=527 success=true 2026-09-08T06:34:01.245761Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:01.446345Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:34:01.446369Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:01.459100Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:34:03.022548Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1776 success=true 2026-09-08T06:34:04.226115Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=24 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:04.226152Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=24 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:04.263544Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=24 tile=221 row_words=174 horizon=892 2026-09-08T06:34:08.907675Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:34:10.378552Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195844 2026-09-08T06:34:12.486776Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=23391 maximum_identical_destinations=1 2026-09-08T06:34:12.486817Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=79140 selected_horizon=53319 endpoint_lower_bound=52524 lower_bound_gap=795 selected_kind="critical-neighborhood" neighborhood_improvements=2 2026-09-08T06:34:12.492972Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=0 row_words=2774 horizon=53319 2026-09-08T06:34:12.720949Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=9064 maximum_identical_destinations=1 2026-09-08T06:34:12.720982Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=13354 selected_horizon=13354 endpoint_lower_bound=8832 lower_bound_gap=4522 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:12.727819Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=1345 row_words=59 horizon=13354 2026-09-08T06:34:19.792089Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=10884 success=false 2026-09-08T06:34:20.403741Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195844 elapsed_ms=10025 success=false 2026-09-08T06:34:20.963572Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=7 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:34:20.991045Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1458 maximum_identical_destinations=1 2026-09-08T06:34:20.991078Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=991 selected_horizon=991 endpoint_lower_bound=288 lower_bound_gap=703 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:20.992471Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1457 row_words=9 horizon=991 2026-09-08T06:34:20.995495Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=47 transfers=1296 maximum_identical_destinations=1 2026-09-08T06:34:20.995525Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=47 initial_horizon=844 selected_horizon=844 endpoint_lower_bound=256 lower_bound_gap=588 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:20.996574Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=47 tile=905 row_words=9 horizon=844 2026-09-08T06:34:21.024148Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-08T06:34:21.024171Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.024636Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-08T06:34:21.034704Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=287 2026-09-08T06:34:21.040309Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=287 elapsed_ms=5 success=true 2026-09-08T06:34:21.048286Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:34:21.048307Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=2899 selected_horizon=2784 endpoint_lower_bound=1728 lower_bound_gap=1056 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:34:21.049788Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=252 row_words=18 horizon=2784 2026-09-08T06:34:21.064087Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=4416 maximum_identical_destinations=1 2026-09-08T06:34:21.064114Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=980 selected_horizon=980 endpoint_lower_bound=864 lower_bound_gap=116 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.069139Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=703 row_words=22 horizon=980 2026-09-08T06:34:21.092872Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=53 transfers=1345 maximum_identical_destinations=1 2026-09-08T06:34:21.092895Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=53 initial_horizon=3152 selected_horizon=3152 endpoint_lower_bound=1024 lower_bound_gap=2128 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.093919Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=53 tile=905 row_words=9 horizon=3152 2026-09-08T06:34:21.098614Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:21.101977Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=11656 2026-09-08T06:34:21.109060Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=57 transfers=1440 maximum_identical_destinations=1 2026-09-08T06:34:21.109083Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=57 initial_horizon=2815 selected_horizon=2806 endpoint_lower_bound=896 lower_bound_gap=1910 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:34:21.109993Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=57 tile=1439 row_words=9 horizon=2806 2026-09-08T06:34:21.112089Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=54 transfers=1076 maximum_identical_destinations=1 2026-09-08T06:34:21.112105Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=54 initial_horizon=193 selected_horizon=193 endpoint_lower_bound=64 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.112625Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=54 tile=10 row_words=12 horizon=193 2026-09-08T06:34:21.117741Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:21.123290Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=34 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:34:21.123318Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=34 initial_horizon=2897 selected_horizon=2748 endpoint_lower_bound=1728 lower_bound_gap=1020 selected_kind="critical-neighborhood" neighborhood_improvements=1 2026-09-08T06:34:21.124815Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=34 tile=252 row_words=18 horizon=2748 2026-09-08T06:34:21.142630Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=58 transfers=1368 maximum_identical_destinations=1 2026-09-08T06:34:21.142656Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=58 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.143146Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=58 tile=47 row_words=25 horizon=406 2026-09-08T06:34:21.164958Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=269 2026-09-08T06:34:21.175909Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:21.175939Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.181757Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:21.182293Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=15 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:21.182322Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=15 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.184411Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=38 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:21.184438Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=38 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.185461Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:21.185495Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.187749Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=15 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:21.188865Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:21.188919Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=23 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:21.188942Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=23 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.189924Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=38 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:21.190912Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:21.194572Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=23 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:21.204831Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=42 transfers=8520 maximum_identical_destinations=1 2026-09-08T06:34:21.204858Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=42 initial_horizon=2535 selected_horizon=1936 endpoint_lower_bound=1824 lower_bound_gap=112 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.210283Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=42 tile=588 row_words=41 horizon=1936 2026-09-08T06:34:21.239175Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:21.247725Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=28 transfers=9064 maximum_identical_destinations=1 2026-09-08T06:34:21.247753Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=28 initial_horizon=13354 selected_horizon=13354 endpoint_lower_bound=8832 lower_bound_gap=4522 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.254579Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=28 tile=1345 row_words=59 horizon=13354 2026-09-08T06:34:21.272131Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=269 elapsed_ms=107 success=true 2026-09-08T06:34:21.286439Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=25 transfers=1459 maximum_identical_destinations=1 2026-09-08T06:34:21.286466Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=25 initial_horizon=3051 selected_horizon=3051 endpoint_lower_bound=1728 lower_bound_gap=1323 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.287947Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=25 tile=252 row_words=18 horizon=3051 2026-09-08T06:34:21.322294Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=11656 elapsed_ms=220 success=true 2026-09-08T06:34:21.323156Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=32 transfers=12640 maximum_identical_destinations=1 2026-09-08T06:34:21.323178Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=32 initial_horizon=3742 selected_horizon=3151 endpoint_lower_bound=2736 lower_bound_gap=415 selected_kind="matching-waves" neighborhood_improvements=0 2026-09-08T06:34:21.332719Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=32 tile=1253 row_words=57 horizon=3151 2026-09-08T06:34:21.404517Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=305 success=true 2026-09-08T06:34:21.440931Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=323 success=true 2026-09-08T06:34:21.453302Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:21.497691Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:21.532794Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=20 transfers=11656 maximum_identical_destinations=1 2026-09-08T06:34:21.532826Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=20 initial_horizon=1944 selected_horizon=1944 endpoint_lower_bound=576 lower_bound_gap=1368 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.537643Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=20 tile=662 row_words=65 horizon=1944 2026-09-08T06:34:21.588536Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:21.588564Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.594259Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=596 row_words=160 horizon=5365 2026-09-08T06:34:21.629250Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=21 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:21.629276Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=21 initial_horizon=7517 selected_horizon=7517 endpoint_lower_bound=3648 lower_bound_gap=3869 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.635251Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=21 tile=136 row_words=170 horizon=7517 2026-09-08T06:34:21.652654Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=463 success=true 2026-09-08T06:34:21.676103Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=436 success=true 2026-09-08T06:34:21.806099Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:21.932910Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=479 success=true 2026-09-08T06:34:21.933302Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=13 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:21.933333Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=13 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.940348Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=36 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:21.940377Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=36 initial_horizon=7443 selected_horizon=7443 endpoint_lower_bound=3648 lower_bound_gap=3795 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:21.941611Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=13 tile=596 row_words=160 horizon=5365 2026-09-08T06:34:21.949099Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=36 tile=45 row_words=173 horizon=7443 2026-09-08T06:34:21.949809Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:22.093830Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:22.131019Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=4374 2026-09-08T06:34:22.153730Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:22.253658Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:22.253696Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=7301 selected_horizon=7301 endpoint_lower_bound=3648 lower_bound_gap=3653 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:22.264449Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=137 row_words=164 horizon=7301 2026-09-08T06:34:22.341552Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:22.608035Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=476 success=true 2026-09-08T06:34:22.862579Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:22.862607Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5365 selected_horizon=5365 endpoint_lower_bound=3648 lower_bound_gap=1717 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:22.868494Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=4374 elapsed_ms=1370 success=true 2026-09-08T06:34:22.870980Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=596 row_words=160 horizon=5365 2026-09-08T06:34:23.251414Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1445 success=true 2026-09-08T06:34:23.395258Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:23.402808Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1452 success=true 2026-09-08T06:34:23.606968Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=4374 maximum_identical_destinations=1 2026-09-08T06:34:23.607003Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=10456 selected_horizon=10456 endpoint_lower_bound=8832 lower_bound_gap=1624 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:23.621914Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=507 row_words=380 horizon=10456 2026-09-08T06:34:24.015464Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1921 success=true 2026-09-08T06:34:24.069043Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1915 success=true 2026-09-08T06:34:24.325154Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:24.325190Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:24.350738Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=221 row_words=174 horizon=892 2026-09-08T06:34:24.393712Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=2052 success=true 2026-09-08T06:34:24.616896Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=23313 2026-09-08T06:34:24.892987Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=43 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:24.893024Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=43 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:24.931190Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=43 tile=106 row_words=170 horizon=891 2026-09-08T06:34:25.010866Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=23313 elapsed_ms=393 success=true 2026-09-08T06:34:25.127080Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=33 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:25.127106Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=33 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:25.152438Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=33 tile=106 row_words=170 horizon=891 2026-09-08T06:34:25.259626Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=23313 maximum_identical_destinations=1 2026-09-08T06:34:25.259655Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1439 selected_horizon=1439 endpoint_lower_bound=576 lower_bound_gap=863 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:25.268289Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=181 row_words=86 horizon=1439 2026-09-08T06:34:25.373846Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1978 success=true 2026-09-08T06:34:25.500031Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=39 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:25.500064Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=39 initial_horizon=891 selected_horizon=891 endpoint_lower_bound=592 lower_bound_gap=299 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:25.538261Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=39 tile=106 row_words=170 horizon=891 2026-09-08T06:34:25.689011Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=24 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:25.689044Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=24 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:25.727744Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=24 tile=221 row_words=174 horizon=892 2026-09-08T06:34:26.711424Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:26.711459Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:26.749225Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=221 row_words=174 horizon=892 2026-09-08T06:34:27.763770Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=51940 2026-09-08T06:34:29.552303Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=51940 elapsed_ms=1788 success=true 2026-09-08T06:34:30.081083Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=195844 2026-09-08T06:34:30.778094Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=16 transfers=51940 maximum_identical_destinations=1 2026-09-08T06:34:30.778129Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=16 initial_horizon=892 selected_horizon=892 endpoint_lower_bound=592 lower_bound_gap=300 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:30.815789Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=16 tile=221 row_words=174 horizon=892 2026-09-08T06:34:35.087735Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=127500 2026-09-08T06:34:38.084490Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=44 transfers=23391 maximum_identical_destinations=1 2026-09-08T06:34:38.084538Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=44 initial_horizon=79140 selected_horizon=53319 endpoint_lower_bound=52524 lower_bound_gap=795 selected_kind="critical-neighborhood" neighborhood_improvements=2 2026-09-08T06:34:38.090955Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=44 tile=0 row_words=2774 horizon=53319 2026-09-08T06:34:38.708387Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=195844 elapsed_ms=8627 success=false 2026-09-08T06:34:39.439115Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=30 candidates=5326 ordinary_horizon=14257 paired_horizon=11348 use_paired=true 2026-09-08T06:34:39.472065Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=30 transfers=7290 maximum_identical_destinations=1 2026-09-08T06:34:39.472088Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=30 initial_horizon=11348 selected_horizon=11348 endpoint_lower_bound=9120 lower_bound_gap=2228 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:39.484674Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=30 tile=325 row_words=197 horizon=11348 2026-09-08T06:34:46.192353Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=127500 elapsed_ms=11104 success=false 2026-09-08T06:34:49.829101Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=18 transfers=3840 maximum_identical_destinations=1 2026-09-08T06:34:49.829141Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=18 initial_horizon=31310 selected_horizon=31310 endpoint_lower_bound=30720 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-08T06:34:49.844277Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=18 tile=91 row_words=370 horizon=31310 2026-09-08T06:34:50.427854Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: rejected unschedulable operator-plan finalist finalist=5 mapped=false error=exchange lowering failed: exchange incremental-encoding work budget exhausted 2026-09-08T06:34:50.427897Z INFO ipu_codegen.package.build{tile_count=1472 operations=46}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=335044 success=false Error: exchange lowering failed: exchange incremental-encoding work budget exhausted Caused by: exchange incremental-encoding work budget exhausted